Question

Find the value of: Cos 90 degree + cos square 45 degree sin 30 degree tan 45 degree

Answer 1

Step-by-step explanation:

$\cos(90) + \cos(45) \times \sin(30) \times \tan(45)$

$= 0 + \frac{1}{ \sqrt{2} } \times \frac{1}{2} \times 1$

$= \frac{1}{2 \sqrt{2} }$

$= \frac{ \sqrt{2} }{4}$

Answer 2

Step-by-step explanation:

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